Beta Williamson County, TX only — data and coverage are limited during early access.

812 PALO DURO LOOP, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,188 sqftBuilt 2002

Property at a Glance

This home is estimated between $643,574 and $741,823, with a best estimate of $676,377. That places the property above the R631414D - WARNER RANCH median of $436,007, in a neighborhood that declined 3.2% over the past year.

Estimated Value Range

$643,574 $741,823
Best Estimate
$676,377
WCAD Value
$478,167
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R631414D - WARNER RANCH, this home's estimated market value is between $643,574 and $741,823. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

747 PALO DURO LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,828 sqft Built 2014
Raw Value $528,800
Adjusted Value $736,669

Adjusted +$86,521 for 360 sqft more living space and +$121,348 for being newer. Net adjustment: +$207,869.

816 PALO DURO LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,869 sqft Built 2015
Raw Value $468,250
Adjusted Value $676,377

Adjusted +$76,667 for 319 sqft more living space and +$131,460 for being newer. Net adjustment: +$208,127.

900 PALO DURO LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,927 sqft Built 2015
Raw Value $476,569
Adjusted Value $670,756

Adjusted +$62,727 for 261 sqft more living space and +$131,460 for being newer. Net adjustment: +$194,187.

709 PALO DURO LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,940 sqft Built 2014
Raw Value $560,872
Adjusted Value $741,823

Adjusted +$59,603 for 248 sqft more living space and +$121,348 for being newer. Net adjustment: +$180,951.

820 PALO DURO LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,055 sqft Built 2015
Raw Value $480,149
Adjusted Value $643,574

Adjusted +$31,965 for 133 sqft more living space and +$131,460 for being newer. Net adjustment: +$163,425.

The Neighborhood

This home is valued 9.7% above the R631414D - WARNER RANCH median of $436,007. With 275 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 3.2% over the past year.

R631414D - WARNER RANCH

typical
275 Properties
$436,007 Median Value
-3.2% YoY Change
0% Have Pool
97% Have Garage
This Home
$478,167
Median
$436,007

This home is +9.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,604 across all districts. With a homestead exemption claimed, that drops to $7,265 — saving $1,339 per year. That's $605 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,271
Round RockCity0.3720%$1,779
Williamson CountyCounty0.3694%$1,767
Austin Community Collegespecial0.1034%$494
Williamson County FM/RdCounty0.0443%$212
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,604

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $676,377 would pay approximately $4,222 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

View full property details